{"id":9254,"date":"2026-08-07T19:19:54","date_gmt":"2026-08-07T12:19:54","guid":{"rendered":"https:\/\/useful.vn\/?p=9254"},"modified":"2026-08-07T19:19:54","modified_gmt":"2026-08-07T12:19:54","slug":"nha-mang-sap-tat-hoan-toan-2g-tai-viet-nam","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=9254","title":{"rendered":"Nh\u00e0 m\u1ea1ng s\u1eafp t\u1eaft ho\u00e0n to\u00e0n 2G t\u1ea1i Vi\u1ec7t Nam"},"content":{"rendered":"
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\nNh\u00e0 m\u1ea1ng s\u1eafp t\u1eaft ho\u00e0n to\u00e0n 2G t\u1ea1i Vi\u1ec7t Nam <\/h1>\n

Sau g\u1ea7n hai n\u0103m duy tr\u00ec cho vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i, m\u1ea1ng 2G t\u1ea1i Vi\u1ec7t Nam s\u1ebd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n v\u00e0o th\u00e1ng 9, \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 VoLTE.<\/p>\n

Gi\u1eefa th\u00e1ng 7, m\u1ed9t s\u1ed1 thu\u00ea bao di \u0111\u1ed9ng b\u1eaft \u0111\u1ea7u nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn th\u00f4ng b\u00e1o b\u1eadt ch\u1ebf \u0111\u1ed9 cu\u1ed9c g\u1ecdi 4G\/5G ho\u1eb7c VoLTE. Nh\u00e0 m\u1ea1ng khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m tra, k\u00edch ho\u1ea1t t\u00ednh n\u0103ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 tr\u00e1nh gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 tho\u1ea1i khi t\u1eaft m\u1ea1ng 2G.<\/p>\n

Theo l\u1ed9 tr\u00ecnh, m\u1ea1ng 2G t\u1ea1i Vi\u1ec7t Nam d\u1ef1 ki\u1ebfn d\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n trong th\u00e1ng 9, kh\u00e9p l\u1ea1i c\u00f4ng ngh\u1ec7 di \u0111\u1ed9ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u01a1n ba th\u1eadp k\u1ef7.<\/p>\n

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Tin nh\u1eafn \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u1ed9t ng\u01b0\u1eddi d\u00f9ng h\u00f4m 13\/7. \u1ea2nh: Thu Th\u1ee7y<\/em><\/p>\n<\/figcaption><\/figure>\n

Tr\u01b0\u1edbc \u0111\u00f3, theo quy ho\u1ea1ch b\u0103ng t\u1ea7n c\u1ee7a B\u1ed9 Th\u00f4ng tin v\u00e0 Truy\u1ec1n th\u00f4ng (nay l\u00e0 B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7), t\u1eeb ng\u00e0y 16\/10\/2024, doanh nghi\u1ec7p vi\u1ec5n th\u00f4ng \u0111\u00e3 d\u1eebng cung c\u1ea5p d\u1ecbch v\u1ee5 cho thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i ch\u1ec9 h\u1ed7 tr\u1ee3 ti\u00eau chu\u1ea9n GSM (2G), tr\u1eeb m\u1ed9t s\u1ed1 khu v\u1ef1c \u0111\u1eb7c bi\u1ec7t nh\u01b0 qu\u1ea7n \u0111\u1ea3o Tr\u01b0\u1eddng Sa, Ho\u00e0ng Sa v\u00e0 nh\u00e0 gi\u00e0n DK. Ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec7n tho\u1ea1i ch\u1ec9 h\u1ed7 tr\u1ee3 2G bu\u1ed9c ph\u1ea3i chuy\u1ec3n sang thi\u1ebft b\u1ecb t\u1eeb 3G tr\u1edf l\u00ean \u0111\u1ec3 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5.<\/p>\n

Tuy nhi\u00ean, m\u1ea1ng 2G sau \u0111\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c t\u1eaft ngay m\u00e0 ti\u1ebfp t\u1ee5c duy tr\u00ec th\u00eam hai n\u0103m nh\u1eb1m h\u1ed7 tr\u1ee3 nh\u00f3m \u0111ang d\u00f9ng \u0111i\u1ec7n tho\u1ea1i 3G, 4G \u0111\u1eddi c\u0169 ch\u01b0a c\u00f3 t\u00ednh n\u0103ng tho\u1ea1i tr\u00ean n\u1ec1n LTE (VoLTE). Kho\u1ea3ng chuy\u1ec3n ti\u1ebfp n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u00eam th\u1eddi gian n\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb ho\u1eb7c chuy\u1ec3n \u0111\u1ed5i d\u1ecbch v\u1ee5.<\/p>\n

VoLTE l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi tr\u1ef1c ti\u1ebfp tr\u00ean m\u1ea1ng 4G m\u00e0 kh\u00f4ng c\u1ea7n chuy\u1ec3n xu\u1ed1ng 2G. C\u00f4ng ngh\u1ec7 gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian k\u1ebft n\u1ed1i cu\u1ed9c g\u1ecdi, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh, \u0111\u1ed3ng th\u1eddi ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 truy c\u1eadp Internet t\u1ed1c \u0111\u1ed9 cao trong khi g\u1ecdi \u0111i\u1ec7n.<\/p>\n

\u0110\u1ed1i v\u1edbi \u0111a s\u1ed1 smartphone ch\u00ednh h\u00e3ng \u0111\u01b0\u1ee3c b\u00e1n trong v\u00e0i n\u0103m g\u1ea7n \u0111\u00e2y, VoLTE \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n v\u00e0 k\u00edch ho\u1ea1t m\u1eb7c \u0111\u1ecbnh. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 m\u1eabu \u0111\u1eddi c\u0169 ho\u1eb7c m\u00e1y x\u00e1ch tay c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 ho\u1eb7c ch\u01b0a \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. C\u00f3 ngh\u0129a, m\u1ed7i khi c\u00f3 cu\u1ed9c g\u1ecdi \u0111\u1ebfn ho\u1eb7c \u0111i, \u0111i\u1ec7n tho\u1ea1i s\u1ebd chuy\u1ec3n v\u1ec1 ch\u1ebf \u0111\u1ed9 m\u1ea1ng 2G \u0111\u1ec3 th\u1ef1c hi\u1ec7n. Do \u0111\u00f3, sau khi t\u1eaft m\u1ea1ng 2G, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng h\u1ed7 tr\u1ee3 VoLTE, ho\u1eb7c c\u00f3 nh\u01b0ng ch\u01b0a k\u00edch ho\u1ea1t t\u00ednh n\u0103ng n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng th\u1ef1c hi\u1ec7n v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c cu\u1ed9c g\u1ecdi, d\u00f9 v\u1eabn c\u00f3 th\u1ec3 truy c\u1eadp Internet b\u1eb1ng m\u1ea1ng 4G.<\/p>\n

Hi\u1ec7n ch\u01b0a c\u00f3 th\u1ed1ng k\u00ea s\u1ed1 ng\u01b0\u1eddi v\u1eabn s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb kh\u00f4ng c\u00f3 ho\u1eb7c ch\u01b0a k\u00edch ho\u1ea1t VoLTE t\u1ea1i Vi\u1ec7t Nam.<\/p>\n

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N\u00fat k\u00edch ho\u1ea1t t\u00ednh n\u0103ng VoLTE tr\u00ean m\u1ed9t \u0111i\u1ec7n tho\u1ea1i. \u1ea2nh: Thu Th\u1ee7y<\/em><\/p>\n<\/figcaption><\/figure>\n

\u0110\u1ea1i di\u1ec7n m\u1ed9t nh\u00e0 m\u1ea1ng cho bi\u1ebft, vi\u1ec7c t\u1eaft ho\u00e0n to\u00e0n 2G s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ed1 \u0111\u00f4ng, b\u1edfi \u0111a s\u1ed1 \u0111\u00e3 chuy\u1ec3n sang \u0111i\u1ec7n tho\u1ea1i h\u1ed7 tr\u1ee3 trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i k\u00e9o d\u00e0i g\u1ea7n hai n\u0103m qua.<\/p>\n

Tuy nhi\u00ean, \u0111\u1ec3 tr\u00e1nh b\u1ecb gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 sau khi 2G d\u1eebng ho\u1ea1t \u0111\u1ed9ng, ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb ki\u1ec3m tra \u0111i\u1ec7n tho\u1ea1i h\u1ed7 tr\u1ee3 VoLTE hay kh\u00f4ng v\u00e0 b\u1eadt t\u00ednh n\u0103ng Cu\u1ed9c g\u1ecdi 4G\/5G (VoLTE) trong ph\u1ea7n c\u00e0i \u0111\u1eb7t m\u1ea1ng di \u0111\u1ed9ng.<\/p>\n

N\u1ebfu thi\u1ebft b\u1ecb kh\u00f4ng h\u1ed7 tr\u1ee3 VoLTE, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n n\u00e2ng c\u1ea5p l\u00ean \u0111i\u1ec7n tho\u1ea1i m\u1edbi. Tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb c\u00f3 t\u01b0\u01a1ng th\u00edch kh\u00f4ng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 li\u00ean h\u1ec7 t\u1ed5ng \u0111\u00e0i ho\u1eb7c c\u1eeda h\u00e0ng giao d\u1ecbch c\u1ee7a nh\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ki\u1ec3m tra.<\/p>\n

Theo c\u01a1 quan qu\u1ea3n l\u00fd, vi\u1ec7c d\u1eebng v\u1eadn h\u00e0nh m\u1ea1ng 2G gi\u00fap ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i c\u00f4ng ngh\u1ec7, gi\u00fap nh\u00e0 m\u1ea1ng t\u00e1i s\u1eed d\u1ee5ng b\u0103ng t\u1ea7n \u0111\u1ec3 m\u1edf r\u1ed9ng v\u00f9ng ph\u1ee7, n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 4G v\u00e0 5G, \u0111\u1ed3ng th\u1eddi \u0111\u01b0a ng\u01b0\u1eddi d\u00f9ng l\u00ean m\u00f4i tr\u01b0\u1eddng s\u1ed1, n\u1ec1n t\u1ea3ng cho c\u00e1c d\u1ecbch v\u1ee5 s\u1ed1 th\u1ebf h\u1ec7 m\u1edbi.<\/p>\n

L\u01b0u Qu\u00fd<\/strong><\/p>\n<\/article>\n

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https:\/\/vnexpress.net\/nha-mang-sap-tat-hoan-toan-2g-tai-viet-nam-5099968.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00e0 m\u1ea1ng s\u1eafp t\u1eaft ho\u00e0n to\u00e0n 2G t\u1ea1i Vi\u1ec7t Nam Sau g\u1ea7n hai n\u0103m duy tr\u00ec cho vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i, m\u1ea1ng 2G t\u1ea1i Vi\u1ec7t Nam s\u1ebd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n v\u00e0o th\u00e1ng 9, \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 VoLTE. Gi\u1eefa th\u00e1ng 7, m\u1ed9t s\u1ed1 thu\u00ea bao di \u0111\u1ed9ng b\u1eaft<\/p>\n","protected":false},"author":1,"featured_media":9255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-9254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/9254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9254"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/9254\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/9255"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}